Nortel 1000 Features And Services Fundamentals page 417

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For China, the BTD table and its assignment to the various routes is
automatic and does not require configuration in LD 97 or LD 14, as long
as the BTD package is equipped. Only the configuration of Busy Tone
Supervision in LD 14 is required.
LD 97 need only be changed if the values other than the default are required.
If table 0 is modified, rather than creating a new one, the assignment
to the trunk in LD 14 is not required. After the BTD table is created, or
changed, the data must be dumped and the system reloaded in order for
the information to be downloaded.
LD 97 - Busy Tone table configuration.
Prompt Response
REQ CHG
TYPE BTD
BTDT (0)-7
X1-X7
BCAD Ph1 Ph2
(350 350)
BTDD (BOTH)
INC
LD 14 - Busy Tone Detection Table and Busy Tone Supervision assignment.
Prompt Response
REQ NEW
TYPE COT
TN
l s c u
c u
XTRK EXUT
...
SIGL LOP
...
Copyright © 1994–2008, Nortel Networks
.
"LD 14 - Busy Tone Detection Table and Busy Tone Supervision
assignment." (page 417)
Busy Tone Detection Table and Busy Tone Supervision assignment.
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008
Description
Change existing data.
Busy Tone Detection.
Busy Tone Detection Table.
Busy Tone Cadence. The input values are rounded to
the nearest multiple of 25 ms.
Busy Tone Detection allowed on both incoming and
outgoing calls.
Busy Tone Detection allowed on incoming calls only.
Description
Create or change a route.
Central Office trunk.
Terminal number
Format for Large System and CS 1000E system,
where l = loop, s = shelf, c = card, u = unit.
Format for Small System and Media Gateway 1000B
where c = card and u = unit.
Extended Universal Trunk.
Loop Start signaling.
Feature implementation 417